Samsung M386A8K40BM2-CTD7Y 64GB DDR4-2666 ECC Registered RDIMM Server Memory
Product Short Description
The Samsung M386A8K40BM2-CTD7Y is a genuine 64GB DDR4-2666 ECC Registered (RDIMM) Server Memory module engineered for enterprise servers and mission-critical data center environments. Featuring PC4-2666V (PC4-21300), 4Rx4 architecture, 288-pin RDIMM, ECC (Error Correcting Code) technology, CL19 latency, and 1.2V low-power operation, it delivers exceptional performance, enhanced system stability, and superior data integrity for virtualization, cloud computing, enterprise databases, storage systems, and demanding enterprise workloads.
Product Description
Upgrade your enterprise infrastructure with the Samsung M386A8K40BM2-CTD7Y 64GB DDR4-2666 ECC Registered (RDIMM) Server Memory, engineered to deliver enterprise-grade performance, reliability, and scalability for modern servers and mission-critical data center environments.
Featuring a 64GB capacity operating at 2666MT/s (DDR4-2666 / PC4-2666V / PC4-21300), this enterprise-class memory module provides exceptional memory bandwidth for virtualization, cloud computing, enterprise databases, storage systems, analytics, and high-performance computing (HPC). Built using genuine Samsung DRAM components, the M386A8K40BM2-CTD7Y is designed for dependable 24/7 operation and long-term reliability in demanding enterprise environments.
Integrated ECC (Error Correcting Code) technology automatically detects and corrects single-bit memory errors, helping safeguard critical business data while improving server stability and maximizing system uptime. As a Registered DIMM (RDIMM), the module enhances signal integrity and enables enterprise servers to support larger memory capacities while maintaining reliable performance under intensive workloads.
Its 4Rx4 quad-rank architecture provides high memory density and excellent scalability for enterprise platforms requiring large-capacity memory configurations. Operating at an energy-efficient 1.2V with CL19 latency, this module helps reduce power consumption while delivering fast, stable, and consistent performance for business-critical applications.
Every Samsung memory module undergoes rigorous quality testing to ensure maximum compatibility, durability, and long service life. Whether you’re upgrading existing servers, expanding virtualization infrastructure, or deploying new enterprise hardware, the Samsung M386A8K40BM2-CTD7Y delivers the enterprise-grade quality trusted by leading OEM server manufacturers and IT professionals worldwide.
Key Features
- Genuine Samsung Enterprise Server Memory
- 64GB Capacity
- DDR4-2666 (2666MT/s)
- PC4-2666V (PC4-21300)
- ECC (Error Correcting Code)
- Registered DIMM (RDIMM)
- 4Rx4 Quad Rank
- 288-Pin Form Factor
- CL19 Latency
- 1.2V Low Power Operation
- Enterprise-Class Reliability
- Fully Tested for Performance & Stability
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Samsung |
| Part Number | M386A8K40BM2-CTD7Y |
| Capacity | 64GB |
| Memory Technology | DDR4 SDRAM |
| Speed | DDR4-2666 (2666MT/s) |
| PC Rating | PC4-2666V (PC4-21300) |
| Form Factor | 288-Pin RDIMM |
| Error Checking | ECC |
| Module Type | Registered (RDIMM) |
| Rank | 4Rx4 |
| CAS Latency | CL19 |
| Voltage | 1.2V |
| Buffered | Yes |
| Application | Enterprise Servers & Workstations |
Compatibility
The Samsung M386A8K40BM2-CTD7Y is compatible with enterprise servers supporting DDR4 ECC Registered (RDIMM) memory, including:
- Dell PowerEdge Servers
- HPE ProLiant Servers
- Lenovo ThinkSystem Servers
- Cisco UCS Servers
- IBM System x Servers
- Supermicro Servers
- Fujitsu PRIMERGY Servers
- Huawei Enterprise Servers
Note: This memory module is compatible only with servers supporting DDR4 ECC Registered (RDIMM) memory. It is not compatible with desktop PCs, laptops, or systems requiring UDIMM or LRDIMM memory.
Ideal Applications
- Enterprise Servers
- Data Centers
- Virtualization (VMware & Hyper-V)
- Cloud Computing
- Database Servers
- Storage Servers
- High-Performance Computing (HPC)
- Artificial Intelligence (AI)
- Big Data Analytics
- Mission-Critical Enterprise Applications
Why Choose Samsung?
Samsung is one of the world’s leading semiconductor manufacturers and a trusted supplier of enterprise memory to major OEM server manufacturers. Samsung server memory is recognized for exceptional reliability, broad compatibility, energy efficiency, and long-term performance in enterprise and data center environments.
Why Buy From Horizon Hardware?
At Horizon Hardware, we specialize in supplying genuine enterprise IT hardware to businesses, system integrators, cloud providers, and data centers worldwide.
- Genuine OEM Server Memory
- Fully Tested & Quality Assured
- Competitive Wholesale Pricing
- Bulk Quantity Available
- Worldwide Shipping
- Fast Order Processing
- Dedicated Customer Support
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